Nantsi ingcaciso yeZibizo:
I-RET: Ukufakela iiTiyili zoMbane okude
I-RCU: Iyunithi yokulawula kude
I-CCU: IYunithi yoLawulo ePhakathi
- Ii-eriyali zokulungisa oomatshini nezombane
1.1 I-Mechanical downtilt ibhekiselele kuhlengahlengiso oluthe ngqo lwe-engile yokuthambeka komzimba ye-eriyali ukutshintsha ukugquma komqadi.Ukwehla kombane kubhekiselele ekutshintsheni indawo yokugubungela umqadi ngokuguqula inqanaba le-eriyali ngaphandle kokutshintsha indawo ye-eriyali.
1.2 Imigaqo yohlengahlengiso lwe-eriyali yohlengahlengiso loMbane.
Umqadi ophambili othe nkqo ufezekisa ukugubungela i-antenna, kwaye uhlengahlengiso lwe-angle ye-downtilt lutshintsha ukugubungela umqadi ophambili.Kwi-eriyali yokulungisa umbane, isitshintshi sesigaba sisetyenziselwa ukutshintsha isigaba somqondiso wamandla ofunyenwe yinto nganye yokusasazeka kuluhlu lwe-eriyali ukufezekisa ukuthambeka okusezantsi komqadi othe nkqo.Kukusetyenziswa kwetekhnoloji yoluhlu lwerada kunxibelelwano oluphathwayo.
Umgaqo we-electronic downtilt kukutshintsha isigaba se-eriyali yoluhlu lwe-collinear, ukutshintsha i-amplitude yecandelo elithe nkqo kunye necandelo elithe tye, kunye nokutshintsha amandla entsimi yecandelo elidibeneyo, ukwenzela ukuba kwenziwe umzobo othe nkqo we-eriyali. ezantsi.Ngenxa yokuba amandla entsimi yecala ngalinye le-eriyali enyuka kwaye ehla ngaxeshanye, kuyaqinisekiswa ukuba ipateni ye-eriyali ayitshintshi kakhulu emva kokuba i-angle yokuthambeka itshintshiwe, ukuze umgama wokugubungela kwicala eliphambili ufinyeziwe, kwaye ngexesha elifanayo, yonke ipateni yolwalathiso iyancitshiswa kwicandelo leeseli ezikhonzayo.Indawo kodwa akukho siphazamiso.
Ukulungiswa kombane kwe-antenna ngokubanzi ukulungelelanisa isekethe ye-vibrator kwisakhiwo somzimba we-motor ukufezekisa utshintsho lwendlela ye-vibrator, esi sisiguquli sesigaba, esitshintsha isigaba sokutya se-vibrator nganye ngokulungelelanisa ubude bothungelwano lwesondlo ukufezekisa ukuhla. ukuthambeka komqadi we-eriyali.
2. Ukulungisa i-eriyali yombane
ulwakhiwo:
I-azimuth kunye ne-pitch angle yesihlalo sokufakela i-antenna ilawulwa ngumatshini.
I-angle ye-pitch ye-antenna ihlengahlengiswa ngokulungelelanisa i-angle yesigaba.
Ulawulo olukude ngocingo
Ngokuqhelekileyo ukudibanisa umlawuli wesikhululo sesiseko nge-RS485, RS422, kwaye umlawuli uya kudibanisa iziko lokulawula elikude nge-wire okanye i-wireless.
Uqhagamshelo olungenazingcingo
Lunxibelelana ngqo ngqo neziko lolawulo ngokusebenzisa icandelo lonxibelelwano olungenazingcingo.
2.1 ubume
2.2 Ii-eriyali
I-eriyali yokuthambeka yombane ekude yenziwe yi-eriyali kunye neyunithi yokulawula kude (RCU).Isizathu sokuba i-antenna yokulungisa umbane ikwazi ukufikelela kwi-downtilt eguquguqukayo yombane kusetyenziso lwe-multi-channel phase shifter enokuthi ihlengahlengiswe ngoomatshini, isixhobo sisixhobo esinye kunye nokuphuma okuninzi, ngomatshini wokuhambisa umatshini unokutshintsha ngaxeshanye isigaba somqondiso wokuphuma ( tshintsha indlela ye-oscillator).Emva koko ulawulo olude lwenziwa ngeyunithi yokulawula kude (RCU).
Utshintsho lwesigaba lunokwahlulwa ngokulula lube ziindidi ezimbini: umahluko kukuba ukujikeleza kwemoto kukulungelelanisa ubude bomgca wothumelo okanye ukulungelelanisa indawo yemidiya.indawo yemidiya.
I-eriyali yokulungiswa kombane
Umphakathi we-eriyali umi ngolu hlobo lulandelayo:
2.3 I-RCU(iyunithi yokulawula kude)
I-RCU yenziwe ngemoto yokuqhuba, isiphaluka solawulo kunye nesixhobo sokuhambisa.Umsebenzi oyintloko wesiphaluka solawulo kukunxibelelana nomlawuli kunye nokulawula i-motor yokuqhuba.Isakhiwo sokuqhuba ikakhulu sibandakanya igiya enokuthi idityaniswe nentonga yokuhambisa, xa igiya ijikeleza phantsi kwe-motor drive, intonga yokuhambisa inokutsalwa, ngaloo ndlela itshintsha i-angle ye-eriyali ye-slope.
I-RCU ihlulwe kwi-RCU yangaphandle kunye ne-RCU eyakhelwe ngaphakathi.
I-antenna ye-RET ene-RCU eyakhelweyo ithetha ukuba i-RCU sele ifakwe kwi-antenna kwaye yabelana ngendlu kunye ne-antenna.
I-antenna ye-RET kunye ne-RCU yangaphandle ithetha ukuba umlawuli we-RCU kufuneka afake i-RCU phakathi kwe-ESC interface ye-antenna kunye nekhebula le-ESC, kwaye i-RCU ingaphandle kwe-antenna mask.
I-RCU yangaphandle inokuqonda ngokucacileyo isakhiwo sayo, ngoko ke makhe ndizise i-RCU yangaphandle.Ngamagama alula, i-RCU inokuqondwa njengolawulo olukude lwemoto, isiginali yokulawula igalelo elinye, idrive enye yokuphuma kwemoto, ngolu hlobo lulandelayo:
I-RCU yimoto yangaphakathi kunye nesekethe yokulawula, akufuneki siqonde;makhe sijonge ujongano lwe-RCU.
Ujongano lwe-RCU kunye ne-RRU:
I-interface ye-RET yi-interface kumgca wokulawula we-AISG, kwaye ngokuqhelekileyo, i-RCU eyakhelweyo inikezela kuphela le interface yokudibanisa kwi-RRU.
I-interface phakathi kwe-RCU kunye ne-antenna, inxalenye emhlophe kumfanekiso ongezantsi yi-motor drive shaft, edityaniswe kwi-antenna.
Kucacile ukuba i-RCU iqhuba i-motor ngokuthe ngqo ukulawula i-motor shifter ngaphakathi kwe-antenna endaweni yokulawula i-motor shifter ngokusebenzisa ucingo lwesignali;i-interface phakathi kwe-RCU kunye ne-antenna yinkqubo yokuhanjiswa komatshini, kungekhona isakhiwo socingo lwesignali.
Ujongano lwe-eriyali ye-eriyali ye-RCU yangaphandle
Emva kokuba umgca wempendulo uqhagamshelwe, i-RCU idibanisa kwi-eriyali kwaye iqhagamshele kwi-eriyali yokulungisa uMbane ngolu hlobo lulandelayo:
2.4 intambo ye-AISG
Kwi-RCU eyakhelweyo, kuba idityaniswe ngaphakathi kwimaski ye-antenna, kwanele ukudibanisa ngokuthe ngqo intambo ye-antenna yokulungisa umbane phakathi kwe-antenna (okwenene i-RCU yangaphakathi), kunye ne-RRU.Ingaba i-RCU ingaphakathi okanye yangaphandle, uxhumano phakathi kwe-RCU kunye ne-RRU luhamba ngomgca wokulawula we-AISG.
- I-AISG (iqela lemigangatho yojongano lwe-antenna) ngumbutho osemgangathweni wojongano lwe-eriyali.Iwebhusayithi ihttp://www.aisg.org.uk/,ikakhulu isetyenziselwa ulawulo olukude lwesiseko se-eriyali, kunye nezixhobo zenqaba.
- I-AISG ibandakanya ukucaciswa kojongano kunye neeprothokholi, kwaye ichaza imigangatho yonxibelelwano olunxulumeneyo kunye neenkqubo zonxibelelwano.
2.5 ezinye izixhobo
I-splitter yesignali yolawulo sisixhobo esisetyenziselwa ukudibanisa abaqhubi abaninzi kumgca wolawulo ngokuhambelanayo.Idibanisa ngentambo kwaye yahlula imiqondiso emininzi kubaqhubi abaninzi.Inomsebenzi wokukhusela umbane kwaye ifanelekile kulawulo olucacileyo lweentambo zokulawula.Isenokwandisa isilawuli se-single-port ukuvumela ukulawula ngaxeshanye kwee-eriyali ezintathu kwisikhululo esisisiseko.
Ukulawula umqondiso wokubamba isetyenziselwa ukufikelela kwinkqubo yezixhobo ezinxulumene nokukhusela umbane wesixhobo, ikhusela imiqondiso emininzi esebenzayo ngaxeshanye, ilungele ulawulo oluthe ngqo lomqhubi ngeskimu solawulo lwentambo xa inkqubo ngentloko ye-T ilawula, awukwazi ukusebenzisa lo mbambi.Umgaqo wokukhusela umbane weempawu zerediyo azifani ncam.Ifumaneka ngokukhuselwa kwe-overvoltage.Isibambi se-antenna feed asiyonto inye, musa ukubhidisa.
Isilawuli esiphathwa ngesandla luhlobo lolawulo olucetyisiweyo oluyilelwe ukulungisa ingxaki.Inokwenza imisebenzi ethile elula kumqhubi ngokucofa ibhodi yezitshixo kwiqela lenjongo.Ngokusisiseko, yonke imisebenzi inokuvavanywa ngokusebenzisa isoftware yovavanyo kwikhompyuter.Isenokusetyenziswa ukugqiba imisebenzi yolawulo lwendawo apho ulawulo olukude lungafunekiyo.
Umlawuli wedesktop ngumlawuli olawula kude ofakwe kwikhabhinethi eqhelekileyo.Ixhunyiwe kwinkqubo nge-Ethernet kwaye inokulawula nokulawula izixhobo ze-antenna zesikhululo sesiseko kwiziko lolawulo.Umsebenzi osisiseko walo mlawuli uyafana, kodwa isakhiwo asifani.Ezinye zenziwe nge-1U ye-chassis eqhelekileyo, ezinye izixhobo, kwaye emva koko zidityaniswe ukwenza umlawuli odibeneyo.
Isiphelo se-eriyali ye-T-intloko siqhagamshelwe kwisiphelo se-eriyali kwisikimu solawulo ngokusebenzisa i-feeder.Iyakwazi ukugqiba ukumodareyithwa kwesignali yokulawula kunye nokuthotywa kwe-demodulation, ukutya kombane, kunye nomsebenzi wokukhusela umbane.Kulo cwangciso, i-control signal arrester kunye nekhebula elide kumlawuli liyacinywa.
Isiseko sesikhululo sesikhululo T intloko sisixhobo esiqhagamshelwe kwisiseko sesikhululo sesitishi kwiskimu solawulo ngokusebenzisa i-feeder.Iyakwazi ukugqiba ukumodareyithwa kwesignali yokulawula kunye nokuchithwa, ukutya kombane kunye nomsebenzi wokukhusela umbane.Isetyenziswe ngokubambisana ne-t-head of the antenna end of the tower, apho i-control signal arrester kunye nekhebula elide kumlawuli liyacinywa.
I-amplifier yenqaba kunye ne-T-head eyakhelwe-ngaphakathi i-amplifier ephezulu yenqaba ehlanganiswe ngaphakathi kunye ne-antenna ekupheleni kwe-T-head, ibekwe kufuphi ne-eriyali kwisikimu solawulo nge-feeder.Inomsebenzi wemveliso ye-AISG eqhagamshelwe kumqhubi we-eriyali.Igqibile ukukhulisa umqondiso we-rf kodwa ingagqibezela ukondla kombane kunye nokulawula ukumodareyithwa kophawu kunye nomsebenzi wokuthomalalisa kunye nokuba ngumnikazi wesekethe yokukhusela umbane.Olu hlobo lwenqaba lusetyenziswa ngokubanzi kwinkqubo ye-3G.
3.Ukusetyenziswa kwe-eriyali yokulungisa umbane
3.1 indlela isikhululo esisisiseko esiyisebenzisa ngayo i-RCU
RS485
PCU+ Intambo ende ye-AISG
Uphawu: kwi-amplifier yenqaba, ngokusebenzisa iintambo ezinde ze-AISG, lungisa i-antenna ngePCU.
Isignali yokulawula isikhululo sesiseko kunye nesignali ye-DC idluliselwa kwi-RCU nge-AISG ye-multi-core cable.Isixhobo esiphambili sinokulawula i-RCU enye ukude kwaye ilawule i-RCU eninzi ye-cascade.
Ukumodareyitha kunye nemowudi yokwehlisa
I-CCU yangaphandle + intambo ye-AISG + RCU
Iimpawu: ngentambo ende ye-AISG okanye i-feeder, lungisa i-antenna ngeCCU
Isikhululo esisisiseko simodareyitha isiginali yolawulo kwi-2.176MHz isiginali ye-OOK (i-baiOn-Off Keying, i-binary amplitude keying, eyimeko ekhethekileyo yokuguqulwa kwe-ASK) nge-BT yangaphandle okanye eyakhelwe ngaphakathi, kwaye iyithumela kwi-SBT nge-RF coaxial cable kunye Umqondiso weDC.I-SBT igqibezela uguqulo phakathi komqondiso we-OOK kunye nomqondiso we-RS485.
3.2 Imo ye-eriyali yokulungelelanisa yoMbane ekude
indlela esisiseko kukulawula ukuthunyelwa kwamandla ngolawulo lothungelwano lwesiseko sesikhululo.Ulwazi lolawulo luthunyelwa kwisikhululo sesiseko ngokusebenzisa ulawulo lwenethiwekhi yesiseko sesikhululo, kwaye isikhululo sesiseko sidlulisela isignali yokulawula kwi-RCU, ukumodareyithwa kwe-angle yombane yombane we-antenna edibeneyo yombane igqitywe yi-RCU.Umahluko phakathi kwamacala asekhohlo nasekunene ulele kwindlela isikhululo esisezantsi sihambisa isiginali yokulawula kwi-RCU.Icala lasekhohlo lidlulisela isignali yokulawula kwi-RCU ngesiseko sentambo yerediyo yerediyo, kwaye icala lasekunene lidlulisela isignali yokulawula kwi-RCU ngesiseko sesikhululo sokulungiswa kombane.
Enyanisweni, indlela eyahlukileyo kukusetyenziswa kwe-RCU eyahlukileyo.
3.3 RCU cascade
Isisombululo: SBT(STMA)+RCU+inethiwekhi edibeneyo okanye i-RRU+RCU +inethiwekhi edibeneyo
Kukho i-interface ye-RET enye kuphela kwi-RRU/RRH nganye, kwaye xa enye/2 i-RRU ivula iiseli ezininzi (i-RRU split) , i-RCU idinga ukuba i-cascade.
I-eriyali ye-ESC inokulungiswa ngesandla ngokutsalwa ngesandla uphawu lokubetha ngaphandle kwe-eriyali.
3.4 Ulungelelwaniso lwe-eriyali
I-eriyali eguqulelwe ngombane kufuneka ilinganiswe ukuqinisekisa ukuba i-eriyali iculwa kakuhle kangakanani na ngombane.
I-antenna ye-ESC isekela ubuncinci kunye nobuninzi bee-angles ukuseta amanqaku amabini anamathele, kodwa emva kokufumana umyalelo wokulinganisa, isixhobo sekhoboka siqhuba umqhubi ukuba ahambe kulo lonke uluhlu lwe-angle.Okokuqala, ukulinganisa umgama phakathi kwamanqaku amabini anamathele, kwaye emva koko I-stroke iyonke kwifayile yoqwalaselo ithelekiswa (ubumbeko kunye nephutha langempela kufuneka libe ngaphakathi kwe-5%).
4.Ubudlelwane phakathi kwe-AISG kunye ne-eriyali emodareyithwe ngombane
I-AISG ichaza ujongano kunye neprotocol phakathi kweCCU neRCU.
Ixesha lokuposa: Sep-03-2021